Package org.apache.commons.collections4.functors

Class NOPClosure<T>

java.lang.Object

org.apache.commons.collections4.functors.NOPClosure<T>

Type Parameters:

T - the type of the input to the operation.

All Implemented Interfaces:

Serializable, Consumer<T>, Closure<T>

public final class NOPClosure<T>
extends Object
implements Closure<T>, Serializable

Closure implementation that does nothing.

Since:

3.0

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final Closure	INSTANCE	Singleton predicate instance
private static final long	serialVersionUID	Serial version UID

Constructor Summary

Constructors

Modifier	Constructor	Description
private	NOPClosure()	Constructs a new instance.

Method Summary

Modifier and Type	Method	Description
void	execute(T input)	Do nothing.
static <E> Closure<E>	nopClosure()	Factory returning the singleton instance.
private Object	readResolve()	Returns the singleton instance.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.commons.collections4.Closure

accept

Methods inherited from interface java.util.function.Consumer

andThen

Field Details

serialVersionUID

private static final long serialVersionUID

Serial version UID

See Also:

• Constant Field Values

INSTANCE

public static final Closure INSTANCE

Singleton predicate instance

Constructor Details

NOPClosure

private NOPClosure()

Constructs a new instance.

Method Details

nopClosure

public static <E> Closure<E> nopClosure()

Factory returning the singleton instance.

Type Parameters:

E - the type that the closure acts on

Returns:

the singleton instance

Since:

3.1

execute

public void execute(T input)

Do nothing.

Specified by:

execute in interface Closure<T>

Parameters:

input - the input object

readResolve

private Object readResolve()

Returns the singleton instance.

Returns:

the singleton instance.